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h264dsp_init_arm.c
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1 /*
2  * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <stdint.h>
22 
23 #include "libavutil/attributes.h"
24 #include "libavutil/arm/cpu.h"
25 #include "libavcodec/h264dsp.h"
26 
28 
30  int beta, int8_t *tc0);
32  int beta, int8_t *tc0);
34  int beta, int8_t *tc0);
36  int beta, int8_t *tc0);
37 
39  int log2_den, int weight, int offset);
41  int log2_den, int weight, int offset);
43  int log2_den, int weight, int offset);
44 
46  int height, int log2_den, int weightd,
47  int weights, int offset);
49  int height, int log2_den, int weightd,
50  int weights, int offset);
52  int height, int log2_den, int weightd,
53  int weights, int offset);
54 
55 void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride);
56 void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
57 void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset,
58  int16_t *block, int stride,
59  const uint8_t nnzc[6*8]);
60 void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset,
61  int16_t *block, int stride,
62  const uint8_t nnzc[6*8]);
63 void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset,
64  int16_t *block, int stride,
65  const uint8_t nnzc[6*8]);
66 
67 void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride);
68 void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
69 void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset,
70  int16_t *block, int stride,
71  const uint8_t nnzc[6*8]);
72 
73 static av_cold void h264dsp_init_neon(H264DSPContext *c, const int bit_depth,
74  const int chroma_format_idc)
75 {
76 #if HAVE_NEON
77  if (bit_depth == 8) {
80  if(chroma_format_idc == 1){
83  }
84 
88 
92 
97  if (chroma_format_idc <= 1)
102  }
103 #endif // HAVE_NEON
104 }
105 
106 av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth,
107  const int chroma_format_idc)
108 {
109  int cpu_flags = av_get_cpu_flags();
110 
111  if (have_setend(cpu_flags))
113  if (have_neon(cpu_flags))
114  h264dsp_init_neon(c, bit_depth, chroma_format_idc);
115 }